Details

Time bar (total: 6.0s)

sample1.7s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 75.439453%

Results
12.0ms256×body80valid

simplify32.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0268
1618
21418
33478
47928
550028

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 12.0b

Counts
2 → 1

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
1.1b
(- (* (* z 2.0) z) (* y t))
18.6b
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
12×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity add-log-exp
add-cube-cbrt
pow1 cbrt-undiv flip3-- times-frac div-exp prod-exp associate-/r* flip-- cbrt-unprod
sub-neg diff-log associate-/r/
frac-2neg clear-num div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
3 → 51
Calls
3 calls:
8.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
4.0ms
(- (* (* z 2.0) z) (* y t))
9.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

series63.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
8.0ms
(- (* (* z 2.0) z) (* y t))
29.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

simplify44.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
0318564
11519493
25002493

prune102.0ms

Filtered
42 candidates to 60 candidates (-42.9%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New53760
Fresh000
Picked011
Done000
Total53861

Merged error: 3.9b

Counts
61 → 8

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y)))))
1.1b
(- (* 2.0 (pow z 2)) (* t y))
5.4b
(* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y))))
14.6b
(/ z (- (* 2.0 (pow z 2)) (* t y)))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×add-exp-log times-frac add-cbrt-cube
15×associate-*r*
pow1
add-log-exp
prod-exp cbrt-unprod
flip3-- associate-/r/ flip--
cbrt-undiv div-exp pow-prod-down associate-/r* associate-/l*
sub-neg diff-log div-inv
frac-2neg associate-*r/ associate-*l* clear-num *-commutative
Counts
4 → 88
Calls
4 calls:
2.0ms
(- x (* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y)))))
6.0ms
(- (* 2.0 (pow z 2)) (* t y))
11.0ms
(* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y))))
6.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))

series70.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(- x (* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y)))))
8.0ms
(- (* 2.0 (pow z 2)) (* t y))
26.0ms
(* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y))))
10.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))

simplify63.0ms

Algorithm
egg-herbie
Counts
100 → 100
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
0391883
11978774
25001773

prune170.0ms

Filtered
69 candidates to 100 candidates (-44.9%)
Pruning

9 alts after pruning (7 fresh and 2 done)

PrunedKeptTotal
New964100
Fresh336
Picked011
Done011
Total999108

Merged error: 3.9b

Counts
108 → 9

localize17.0ms

Local error

Found 4 expressions with local error:

11.4b
(cbrt (/ z (- (* 2.0 (pow z 2)) (* t y))))
14.6b
(/ z (- (* 2.0 (pow z 2)) (* t y)))
14.6b
(/ z (- (* 2.0 (pow z 2)) (* t y)))
14.6b
(/ z (- (* 2.0 (pow z 2)) (* t y)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
35×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
15×cbrt-prod
10×add-exp-log add-cbrt-cube
associate-/r* associate-/l*
associate-/r/
pow1 flip3-- flip-- div-inv add-log-exp
cbrt-undiv frac-2neg div-exp clear-num
cbrt-div pow1/3
Counts
4 → 111
Calls
4 calls:
5.0ms
(cbrt (/ z (- (* 2.0 (pow z 2)) (* t y))))
6.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))
6.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))
6.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))

series59.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(cbrt (/ z (- (* 2.0 (pow z 2)) (* t y))))
10.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))
10.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))
10.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))

simplify106.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 3 (94.0ms)

IterNodesCost
02501152
17821073
232021064
350021061

prune389.0ms

Filtered
99 candidates to 123 candidates (-24.2%)
Pruning

9 alts after pruning (6 fresh and 3 done)

PrunedKeptTotal
New1230123
Fresh066
Picked011
Done022
Total1239132

Merged error: 3.9b

Counts
132 → 9

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
1.1b
(- (* (* z 2.0) z) (* y t))
5.7b
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
14.6b
(/ (- (* (* z 2.0) z) (* y t)) z)

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
40×times-frac
28×add-sqr-sqrt *-un-lft-identity
26×add-cube-cbrt
18×add-exp-log add-cbrt-cube
16×associate-/r*
add-log-exp
cbrt-undiv div-exp
pow1 div-inv associate-/l*
flip3-- flip--
sub-neg frac-2neg diff-log prod-exp clear-num cbrt-unprod associate-/l/
div-sub associate-/r/ distribute-lft-out-- difference-of-squares
Counts
4 → 102
Calls
4 calls:
9.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
4.0ms
(- (* (* z 2.0) z) (* y t))
8.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
7.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

series71.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
8.0ms
(- (* (* z 2.0) z) (* y t))
27.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
10.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

simplify64.0ms

Algorithm
egg-herbie
Counts
114 → 114
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
04721105
12263993
25003988

prune136.0ms

Filtered
84 candidates to 114 candidates (-35.7%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New1122114
Fresh145
Picked101
Done123
Total1158123

Merged error: 1.9b

Counts
123 → 8

regimes507.0ms

Accuracy

0% (0.9b remaining)

Error of 3.1b against oracle of 2.1b and baseline of 3.1b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0157
1157

end0.0ms

sample2.3s

Algorithm
intervals
sampling

Space saved by range analysis: 0%

Space saved by search: 0%

Guaranteed chance to sample good point: 75.439453%

Results
403.0ms8000×body80valid

Profiling

Loading profile data...